Risk factors for vascular disease and arteriovenous fistula dysfunction in hemodialysis patients. - de Marchi,S.; Falleti,E.; Giacomello,R.; Stel,G.; Cecchin,E.; Sepiacci,G.; Bortolotti,N.; Zanello,F.; Gonono,F.; Bartoli,E. (J Am Soc Nephrol, 1996)